Changelog
473b53d refactor: use the s3 replace the cloud platform sdk
fed5e5a refactor: add the comment for the FileMD5
465d911 fix: update document
9b1e93e fix: none content-type for the object
0d0e3fd chore: update the arg endpoint to the region
ee45236 chore: clean the modules
bc13ecf Update README.md
716d01e Merge pull request #5 from hateonion/master